This is not an article or blog this is just a list of cryptocurrency and bitcoin forums around the globe. If you know any other forum then kindly mention below.
BitcoinTalk: It is said that this forum is created by Satoshi Nakamoto (founder of Bitcoin).
BitcoinGarden: The second most famous bitcoin forums.
forum.bitcoin.com: Well known person (Roger Ver) behind bitcoin.com and this forum.
Bitco.in
BitcoinForum
BitsMedia: Forum for the Russian community.
BTConReddit: Official and active discussion thread on Reddit. More than 270K members.
Bitcoin: Official and active discussion thread on Reddit. More than 1.2 Members.
That’s all.
Source: https://cryptocreed.com/list-of-bitcoin-and-cryptocurrency-forum/